Windows & doors
Summary of window and door ranges
PERFORMANCE (formerly Ecocontract) - FSC® 100% timber. Triple glazing, Secured by Design option. Outward & inward opening.Uw: 0.85 W/m2K
Sliding sash - FSC® timber. Triple glazing. Uw as low as 0.8 W/m2K
ULTRA (formerly Ecocontract ULTRA) - FSC® 100% timber. Triple glazing, Secured by Design option. Outward & inward opening. Uw as low as 0.68 W/m2K, Passivhaus certified option.
PROGRESSION - Minimalist design with narrow sightlines. Triple glazing. Timber & cork frame with low maintenance Thermowood. Uw: 0.68 W/m2K. A-rated Passivhaus-certified component.